The DRM_SIL_SII8620 kconfig has a weak `imply` dependency on EXTCON, which causes issues when sii8620 is built as a builtin and EXTCON is built as a module.
Th symptoms are 'undefined reference' errors caused by the symbols in EXTCON not being available to the sii8620 driver.
Signed-off-by: Robert Foss robert.foss@linaro.org Reported-by: kernel test robot lkp@intel.com ---
LKP reported issue: https://lore.kernel.org/lkml/202104040604.SSTe2Cxf-lkp@intel.com/
drivers/gpu/drm/bridge/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 7c15fc170510..204c38e87849 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -169,7 +169,7 @@ config DRM_SIL_SII8620 tristate "Silicon Image SII8620 HDMI/MHL bridge" depends on OF select DRM_KMS_HELPER - imply EXTCON + depends on EXTCON || !EXTCON # if EXTCON=m, this cannot be built-in depends on RC_CORE || !RC_CORE help Silicon Image SII8620 HDMI/MHL bridge chip driver.